1 tPopWait=50;  2 tPopShow=2000; //提示层的渐渐消失时间  3 showPopStep=90;  4 popOpacity=90;//提示层的透明度  5  6 sPop=null;  7 curShow=null;  8 tFadeOut=null;  9 tFadeIn=null; 10 tFadeWaiting=null; 11 12 document.write(""); 13 document.write("
     
"); 14 15 function showPopupText(){
   16     var o=event.srcElement; 17         MouseX=event.x; 18         MouseY=event.y; 19     if(o.alt!=null && o.alt!=""){ o.dypop=o.alt;o.alt=""}; 20     if(o.title!=null && o.title!=""){ o.dypop=o.title;o.title=""}; 21     if(o.dypop!=sPop){
   22         sPop=o.dypop; 23         clearTimeout(curShow); 24         clearTimeout(tFadeOut); 25         clearTimeout(tFadeIn); 26         clearTimeout(tFadeWaiting); 27         if(sPop==null || sPop==""){
   28             dypopLayer.innerHTML=""; 29             dypopLayer.style.filter="Alpha()"; 30             dypopLayer.filters.Alpha.opacity=0; 31         }else{
   32             if(o.dyclass!=null) popStyle=o.dyclass 33             else popStyle="cPopText"; 34             curShow=setTimeout("showIt()",tPopWait); 35         } 36     } 37 } 38 39 function showIt(){
   40     dypopLayer.className=popStyle; 41     dypopLayer.innerHTML=sPop; 42     popWidth=dypopLayer.clientWidth; 43     popHeight=dypopLayer.clientHeight; 44     if(MouseX+2+popWidth>document.body.clientWidth) popLeftAdjust=1 45     else popLeftAdjust=0; 46     if(MouseY+2+popHeight>document.body.clientHeight) popTopAdjust=1 47     else popTopAdjust=0; 48     dypopLayer.style.left=MouseX+6+document.body.scrollLeft+popLeftAdjust; 49     dypopLayer.style.top=MouseY+6+document.body.scrollTop+popTopAdjust; 50     dypopLayer.style.filter="Alpha(Opacity=0)"; 51     fadeOut(); 52 } 53 54 function fadeOut(){
   55     if(dypopLayer.filters.Alpha.opacity
     
      0){
   66         dypopLayer.filters.Alpha.opacity-=1; 67         tFadeIn=setTimeout("fadeIn()",1); 68     } 69 } 70 document.οnmοuseοver=showPopupText;